<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div{
            float: left;
            width: 200px;
            height: 200px;
            border-radius:  100px ;
            background-color: pink;
            margin: 100px auto;
        }
       .two{
            width: 200px;
            height: 200px;
            border-radius:  50px 50px 50px 50px; ;
            background-color: red;
            margin: 150px;
        }
        .one{
            width: 200px;
            height: 50px;
            background-color: greenyellow;
            border-radius: 50px;
        }
    </style>

</head>
<body>
    <div></div>
    <div class="two"></div>
    <div class="one"></div>
</body>
</html>